condition	mean	min	max
4 h after light	74.0301785	69.104504	78.955853
8 h after light	68.0029505	64.094435	71.911466
12 h after light	76.4790295	74.766193	78.191866
4 h after dark	69.5393095	64.86434	74.214279
8 h after dark	56.261893	51.341282	61.182504
12 h after dark	49.445581	49.445581	49.445581